Showing results for "History of Technology" in Exploration & Discovery

Nikola Tesla was a scientist and inventor in the late 1800s and early 1900s. Among his many inventions and experiments, he helped create the modern electricity system. Learn more about Tesla's life as a famous inventor!

Discover the fun facts about the world and become a master of geography with this interactive trivia book from Jeopardy! champ and New York Times bestselling author Ken Jennings.

From the team that created the ALA Notable Book The Cod's Tale comes the fascinating history of salt, which has been the object of wars and revolutions and is vital for life. Based on Mark Kurlansky's critically acclaimed best seller Salt: A World History, this handsome picture book explores every aspect of salt: The many ways it's gathered from the Earth and sea; how ancient emperors in China, Egypt, and Rome used it to keep their subjects happy; why salt was key to the Age of Exploration; what salt meant to the American Revolution; and even how the search for salt eventually led to oil.